import Vue from 'vue'
import Router from 'vue-router'
import Login from '../components/Login.vue'
import Index from '../components/Index.vue'
import Home from '../components/Home.vue'
// 导入全局样式表
import '../assets/css/global.css'

import axios from 'axios'
axios.defaults.baseURL = 'https://locally.uieee.com/'
Vue.prototype.$http = axios

Vue.use(Router)

Vue.config.productionTip = false

const router = new Router({
        routes: [
            { path: '/', redirect: '/login' },
            { path: '/login', component: Login },
            { path: '/index', component: Index },
            { path: '/home', component: Home }
        ]
    })
    // 挂载路由导航守卫
router.beforeEach((to, from, next) => {
    // to 将要访问的路径
    // from 代表从哪个路径跳转而来
    // next 是一个函数，表示放行，两种方式： next() 放行；  next('/login') 强制跳转
    if (to.path === '/login') return next();
    // 获取token
    const tokenStr = window.sessionStorage.getItem('access-token')
    if (!tokenStr) return next('/login')
    next()
})
export default router